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archived-MoviePilot/docs/rules/01-project-overview.md

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# 01 — Project Overview
## System Purpose
MoviePilot is a self-hosted media automation platform targeting Chinese-language users. It automates the full lifecycle of media acquisition and organization:
1. **Discovery** — monitors RSS feeds, subscription lists, and recommendation sources for new media releases.
2. **Search** — queries configured torrent indexers to locate suitable torrents for subscribed media.
3. **Download** — sends torrent tasks to a configured download client (qBittorrent, Transmission, rTorrent).
4. **Transfer** — moves or hard-links completed downloads into a structured media library.
5. **Scraping** — fetches metadata (posters, descriptions, episode info) from TMDB, TheTVDB, Douban, and Bangumi.
6. **Media Server Integration** — notifies and refreshes Emby, Jellyfin, or Plex after files are organized.
7. **Messaging** — sends status notifications through Telegram, WeChat, Feishu, Slack, Discord, and other channels.
8. **AI Agent** — provides a conversational agent interface (via MCP and LLM chain) for natural-language management tasks.
---
## Repository Boundaries
### What Is in This Repository
| Path | Content |
|---|---|
| `app/` | FastAPI backend application |
| `moviepilot` | Local CLI entrypoint (install, init, start, stop, update, agent) |
| `app/api/endpoints/` | HTTP endpoint handlers |
| `app/chain/` | Business orchestration layer |
| `app/modules/` | Pluggable backend integrations (downloaders, media servers, etc.) |
| `app/helper/` | Reusable low-level utilities |
| `app/db/` | SQLAlchemy models and data access wrappers |
| `app/core/` | Config, event system, module manager, plugin manager, security |
| `app/schemas/` | Pydantic request/response models and shared enums |
| `app/agent/` | LLM agent runtime |
| `app/workflow/` | Workflow engine |
| `database/versions/` | Alembic migration scripts |
| `docs/` | CLI, MCP/API, and development workflow documentation |
| `skills/` | AI agent skills and associated scripts |
| `tests/` | Pytest test suite |
### What Is NOT in This Repository
* **Frontend source code** — lives in the separate `MoviePilot-Frontend` repository (Vue/TypeScript). Only the built `dist/` artifact is consumed here.
* **Plugin source code** — plugins are installed into `app/plugins/` at runtime from external sources; they are not part of this repository.
* **User config and runtime data** — `config/`, `.moviepilot.env`, `*.db` files are local runtime state. Do not modify or commit them unless explicitly requested.
---
## Deployment Models
### Docker (Primary)
The standard deployment method. A Docker image bundles the backend, frontend static files, and resource data. Users configure via environment variables and mount a config directory.
### Local CLI
An alternative for users running from source. The `moviepilot` CLI handles installation, initialization, service management, and updates. See `docs/cli.md` for the full command reference.
---
## Key External Dependencies (Domain Context)
| Service Type | Supported Backends |
|---|---|
| Torrent indexers | Site-specific spiders, Jackett/Prowlarr compatible |
| Download clients | qBittorrent, Transmission, rTorrent |
| Media servers | Emby, Jellyfin, Plex, TrimMedia, Zspace, Ugreen |
| Metadata sources | TMDB, TheTVDB, Douban, Bangumi, Fanart |
| Message channels | Telegram, WeChat, WeChatClawBot, Feishu, Slack, Discord, VoceChat, Synology Chat, WebPush, QQBot |
| LLM providers | OpenAI-compatible, Anthropic, and other configurable providers |
---
## Business Domain Vocabulary
| Term | Meaning |
|---|---|
| Subscribe | A tracked media item (movie or TV series) that MoviePilot will automatically search and download |
| Transfer | The process of moving or hard-linking downloaded files into the organized media library |
| Chain | A business orchestration class that coordinates multiple modules for a use case |
| Module | A pluggable backend integration loaded by the module manager |
| Skill | A packaged AI agent capability that can be invoked via the MCP interface |
| SystemConfig | Runtime key-value configuration stored in the database and managed via `SystemConfigKey` |
*Last Updated: 2026-05-25*